Genes & Cells

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baby and mother

Mammary glands “remember” how to make milk for subsequent pregnancies, a study of mice suggests. Women’s bodies may experience something similar.

Mammoth calf mummy

LIFE FROM DEATH  Even well-preserved mammoth remains, such as this calf mummy found in 2007, won’t yield enough DNA to make a clone. But there are other ways to bring mammoths back, according to evolutionary biologist Beth Shapiro.

Nicole Stott

NASA astronaut Nicole Stott hovers near the Mice Drawer System aboard the International Space Station. Mice housed in the space cage developed thin skin after 91 days of weightlessness.

Genes & Cells

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